A multistream heat exchanger model with enthalpy feasibility

Kyungjae Tak; Hweeung Kwon; Jaedeuk Park; Jae Hyun Cho; Il Moon

doi:10.1016/j.compchemeng.2018.03.023

A multistream heat exchanger model with enthalpy feasibility

Kyungjae Tak, Hweeung Kwon, Jaedeuk Park, Jae Hyun Cho, Il Moon

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A temperature feasibility constraint is an important part of multistream heat exchanger (MSHE) modeling. However, temperature feasibility of an MSHE model makes a numerical issue when a physical property package is used to obtain highly accurate temperature-enthalpy relationships in equation-oriented modeling environment. To resolve the issue, this study proposes a new MSHE model with enthalpy feasibility using the fact that enthalpy is a monotonically increasing function of temperature. A natural gas liquefaction process, called a single mixed refrigeration process, is optimized using the proposed MSHE model under an equation-oriented modeling environment with a physical property package as a case study.

Original language	English
Pages (from-to)	81-88
Number of pages	8
Journal	Computers and Chemical Engineering
Volume	115
DOIs	https://doi.org/10.1016/j.compchemeng.2018.03.023
Publication status	Published - 2018 Jul 12

Bibliographical note

Funding Information:
This research was supported by a grant from the LNG Plant R&D Center funded by the Ministry of Land, Infrastructure and Transport ( MOLIT ) of the Korean government and also respectfully supported by Engineering Development Research Center (EDRC) funded by the Ministry of Trade, Industry & Energy ( MOTIE ).

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Computer Science Applications

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10.1016/j.compchemeng.2018.03.023

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author = "Kyungjae Tak and Hweeung Kwon and Jaedeuk Park and Cho, {Jae Hyun} and Il Moon",

note = "Funding Information: This research was supported by a grant from the LNG Plant R&D Center funded by the Ministry of Land, Infrastructure and Transport ( MOLIT ) of the Korean government and also respectfully supported by Engineering Development Research Center (EDRC) funded by the Ministry of Trade, Industry & Energy ( MOTIE ). ",

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